ST6 series solar charge controllers have efficient and intelligent 3-stage PWM charging method, which can meet the high power demand. The solar charge controller can automatically identify the system voltage, fully compatible with 12V and 24V systems. With large white backlight screen and double-button human-machine interface, simple and clear, convenient and fast. Accurate temperature compensation, automatically adjust the charging voltage according to the ambient temperature, extend the battery life. Multiple protection: overpressure, short circuit, overcharge, overdischarge, overload automatic protection.